PUMaC 2007 · 代数（B 组） · 第 2 题
PUMaC 2007 — Algebra (Division B) — Problem 2
题目详情
- Hugo, Evo, and Fidel are playing Dungeons and Dragons, which requires many twenty-sided dice. Attempting to slay Evo’s vicious hobgoblin +1 of viciousness , Hugo rolls 25 20-sided dice, obtaining a sum of (alas!) only 70. Trying to console him, Fidel notes that, given that sum, the product of the numbers rolled was as large as possible. How many 2s did Hugo roll?
解析
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Original Explanation
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